Four-year-old Zain Siddiqui and his mother Tabassum arrive at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. The school is welcoming 685 students this week, and is located in a dense pocket of buildings that serve as a landing pad for many recent immigrants.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui and his mother Tabassum arrive at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. Zain is starting all-day kindergarten.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui and his mother Tabassum arrive at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. Zain is starting all-day kindergarten.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui and his mother Tabassum arrive at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. Zain is starting all-day kindergarten.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui and his mother Tabassum arrive at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. Zain is starting all-day kindergarten.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui gets to ring the school bell as he arrives at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. Zain is starting all-day kindergarten. Results released Tuesday by the provincial government show that children who are enrolled in this type of full-day play-based learning are better prepared to enter Grade 1 than others.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui and his mother Tabassum arrive at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. Zain is starting all-day kindergarten.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui and his mother Tabassum arrive at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. The youngster made a card for his new teacher.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui settles in at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui and his mother Tabassum arrive at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui settles in at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. Zain is starting all-day kindergarten. The program incorporates two years of a revamped curriculum for junior and senior kindergarten, and emphasizes play-based learning.(Kevin Van Paassen/The Globe and Mail)

Four-year-old Zain Siddiqui settles in at his first day of school at Fraser Mustard Learning Academy in Toronto, Ontario Tuesday, September 3, 2013. The Ontario government has spent more than $1.45-billion in its rollout of full-day kindergarten.(Kevin Van Paassen/The Globe and Mail)